It's human nature to want to seem to be more successful and happy than they actually are. I think most people boasting about success are actually dreaming about success or hoping to have success in the future. It's very normal.

It's very bad to commit such a serious crime against a innocent working man. Heartless.
And very stupid because bitcoin is very easy to track on the open ledger so they should have put some time to find out which addresses are his so they know how much there is to take.